KR20170083303A - Pulley Rotation Tool for Exchange of V-belt - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a pulley rotary tool for replacing a V-belt, which is installed in a power plant or an industrial field and which can perform an efficient and stable replacement operation without damaging the V-belt serving as a power transmission device.
The pulley rotary tool for replacing the V belt of the present invention is inserted between the V belt and the pulley so that the V belt is removed from the pulley so that no finger is inserted between the pulley and the V belt, By rotating the pulley using a tool, the user can be relieved of fatigue.

Description

Pulley Rotation Tool for Exchange of V-belt for V-

The present invention relates to a tool for efficiently and safely working a replacement job when the V-belt, which is a medium for transmitting a force by a frictional force, is deficient in friction due to tensile and abrasion,

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a tool for replacing a V-belt, which is a power transmission device installed in a power plant or an industrial field, for transmitting rotational force from an electric motor to an axle.

More particularly, the present invention relates to a replacement tool that allows a user to work safely and efficiently without having to re-adjust the gap between the pulley and the pulley without damaging the V-belt.

V-belts should be replaced with new ones when the length is elongated or excessively worn during use, and the function deterioration occurs.

In the past, when replacing the V-belt, there was not enough replacement equipment to rotate the pulley, so a driver or similar tool was used, or the user directly ripped the V-belt from the pulley with both hands and replaced it with a new one. This type of operation is not only time-consuming because the user rotates the pulley by hand every time the V-belt is replaced, but also the user's hand is caught between the pulley and the belt, resulting in a finger stench accident, There is a risk of safety accidents due to the damage of the V-belt and the pulley.

Korean Patent Laid-Open No. 10-2008-0055041 (V-type belt structure)

Disclosure of Invention Technical Problem [8] The present invention has been made to solve the above problems, and its technical object is to provide a V-belt which can be easily installed and dismounted from a pulley.

In order to achieve the above-mentioned object, a V-belt replacing tool according to the present invention is characterized by a fixed hook, a floating hook, and a length adjuster. The length can be adjusted by using a fixed hook and a floating hook, so that it can be adjusted according to the size of the pulley.

The present invention provides a pulley rotary tool for replacing a V-belt, which can easily replace a V-belt from a pulley, prevent damage to the V-belt, and prevent a user's finger stench accident or the like in advance.

The present invention relates to a pulley rotary tool (1000) for rotating a pulley (100) when a V belt (200) wound around a pulley (100) having a pulley groove (150) A pipe-shaped floating hook 400 having a hollow pipe-shaped fixing hook 300 having a diameter smaller than that of the fixing hook 300; a fixing hook 300 protruding from one side of the fixing hook 300, A first hooking part 370 protruding from the other side of the fixing hook 300 and having a through hole 500 formed therein and a first hook part 370 protruding to one side of the floating hook 400, A second hanging part 470 formed on the other side of the flow hanging part 400 and having a through hole 500 formed therein and a second hanging part 470 formed on the other side of the first hanging part 370, And an adjuster 600 connecting the second hooking part 470.

The fixed hook 300 further includes a socket for reducing friction, and the floating hook 400 is inserted into the inner space of the fixed hook 300. [

The adjusting member 600 is coupled to the through hole 500 of the first hooking portion 370 and the through hole 500 of the second hooking portion 470 and is coupled to the fixing member 650 for coupling, And the fixed hook protrusion 350 and the floating hook protrusion 450 are simultaneously inserted into the pulley groove 150 and rotate.

The pulley rotary tool for V-belt replacement according to the present invention is inserted into the groove formed in the pulley so that the pulley can be rotated more efficiently.

In addition, the pulley rotary tool for replacing the V belt does not need any other special tool for replacement, and can prevent the user's finger squeeze accident and improve the work efficiency. By rotating the pulley with a tool, So that the efficiency can be improved.

1 is a perspective view of a combined form according to an embodiment of the present invention;
2 is an exploded view in accordance with an embodiment of the present invention;
3 is a cross-sectional view according to one embodiment of the present invention.
4 is a cross-sectional view illustrating an operational view according to an embodiment of the present invention;

Hereinafter, the technical idea of the present invention will be described more specifically with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined.

Therefore, the embodiments described in this specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and do not represent all the technical ideas of the present invention. Therefore, It should be understood that variations can be made.

Hereinafter, the technical idea of the present invention will be described more specifically with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the technical concept of the present invention, are incorporated in and constitute a part of the specification, and are not intended to limit the scope of the present invention.

FIG. 3 is a cross-sectional view according to an embodiment of the present invention, and FIG. 4 is a cross-sectional view of an embodiment of the present invention. FIG. 5 is a cross-sectional view illustrating an operation according to an embodiment of the present invention.

The V-belt 200 is installed in a power plant or an industrial field and is used for transmitting the power of the electric motor. The V-belt 200 is provided together with the pulley 100.

 The pulley 100 has a plurality of pulley grooves 150 symmetrically formed around a driving shaft and a belt groove (not shown) in which the V belt 200 is inserted is formed on an outer circumferential surface of the pulley 100 have.

In operation of the V-belt 200, the length of the V-belt 200 is elongated or excessively worn due to the friction between the V-belt 200 and the belt groove. This can cause disruption in the transmission of power, requiring periodic replacement.

In order to replace the V-belt 200, conventionally, the V-belt 200 was removed from the pulley 100 by rotating the pulley 100 by hand. A conventional V belt 200 and a pulley 100 are simultaneously held and rotated to remove a worn V belt 200 and a new V belt 200 and a pulley 100 are simultaneously gripped and rotated to form a new V belt 200) to the pulley (100). If the force of the user is not appropriately applied in this process, there is a danger that the fingers are pressed between the pulley 100 and the V-belt 200 and the replacement time is long.

2, the pulley rotary tool 1000 for replacing the V-belt 200 according to the present invention includes a fixing hook 300, a floating hook 400, And an adjuster 600.

Referring to FIG. 2, the fixing hook 300 has a hollow pipe shape with an inner space formed with a fixing hook protrusion 350 at one side and a first hooking portion 370 at the other side.

The fixing hook protrusion 350 is formed for fastening to the pulley groove 150 formed in the pulley 100 and has the same shape as the pulley groove 150. That is, when the pulley groove 150 to be used is circular in the manufacturing process, the end of the fixing hook protrusion 350 is also formed in a circular shape. If the pulley groove 150 to be used is a polygon other than a circular shape And the end of the fixing hook protrusion 350 is also formed into a polygonal shape corresponding to the end.

The first hooking part 370 protrudes from the other side of the fixing hook 300 and has a through hole 500 formed therein. The through hole 500 is formed to engage with a control rod 600, which will be described later.

The fixing hook 300 further includes a member such as a socket (not shown) or a friction reducing member (not shown) in order to reduce the friction generated when the fixing hook 300 is engaged with the floating hook 400 can do.

The floating hangers 400 are inserted into hollows of the fixing hooks 300 and are formed in a pipe shape. The floating hangers 400 are formed to have a smaller diameter than the pipe diameter of the fixing hook 300 to be inserted into the hollow pipe of the fixing hook 300.

The floating hook 400 further includes a floating hook protrusion 450 formed at one side thereof and a second hooking portion 470 formed at the other side thereof.

The floating hook protrusion 450 is formed for fastening to the pulley groove 150 formed in the pulley 100 and has the same shape as the pulley groove 150. That is, when the pulley groove 150 to be used is circular in the manufacturing process, the end of the floating hook 450 is also formed in a circular shape, and when the pulley groove 150 to be used is a polygon other than a circular shape , And the end of the floating hook 450 is also formed into a polygonal shape corresponding to the end.

Although the floating hanging protrusions 450 protrude from one side of the floating hangers 400 and are protruded in the present embodiment, the fixing hangers 450 protrude from the fixing hangers 300 ), It is also possible to be formed by protruding in a form other than a translator form.

The second hanging part 470 formed on the other side of the flow hanging part 400 is formed with a through hole 500. The through hole 500 is also formed to be coupled with the control rod 600, which will be described later. That is, the first hooking part 370 and the second hooking part 470 are simultaneously engaged with the adjuster 600 described later.

When the floating hangers 400 are inserted into the fixing hooks 300, the adjusting hooks 600 are coupled to the first hooking portions 370 and the second hooking portions 470 at the same time, So as to prevent the hook 400 from being inserted deeper into the fixing hook 300.

The adjuster 600 will be described with reference to FIG. The adjusting strap 600 may be formed in a length between the fixing hook protrusion 350 and the floating hook protrusion 450 when the floating hook 400 is inserted into the fixing hook 300, And plays a role of forming the length thereof.

That is, referring to the pulley 100 having the V-belt 200 shown in FIG. 4, when the size of the pulley 100 is large, . The fixing hook protrusion 350 and the floating hook protrusion 450 for fitting into the pulley groove 150 also have a length corresponding to a distance between the pulley groove 150. Therefore, The first hook portion 370 and the second hook portion 470 are adjusted by the length between the pulley grooves 150. [

That is, when the length between the pulley grooves 150 is short, as shown in FIG. 3A, the distance between the first hooking portion 370 and the second hooking portion 470 is shortened, And when the length between the pulley grooves 150 is long, the first hooking portion 370 and the second hooking portion 470 are elongated as shown in FIG. 3 (b) The adjuster 600 is connected to the first hook portion 370 and the through hole 500 of the second hook portion 470.

When the adjuster 600 is connected to the through hole 500 of the first hook part 370 and the through hole 500 of the second hook part 470, And further includes a member such as a fixing member 650 to prevent movement during operation. The fixing member 650 may be any member on which the adjuster 600 is fixed.

1, the fixed hook protrusion 350 and the floating hook protrusion 450 are oriented in the same direction, and the floating hook 400 is coupled to the fixed hook 300, The first hooking part 370 and the second hooking part 470 connected to the adjuster 600 are also directed in the same direction.

The combined pulley rotary tool 1000 is fitted into the pulley groove 150 as shown in FIG. The pulley rotating tool 1000 inserted in the pulley groove 150 is rotated by the user and the pulley 100 is also rotated by the pulley groove 150 in which the pulley rotating tool 1000 is inserted, Can be replaced.

The replacement of the V-belt 200 using the pulley rotary tool 1000 according to the present invention will now be described.

First, the V-belt 200 is attached to the pulley 100. Thereafter, the tool 1000 is used to rotate the pulley 100. As the pulley 100 is rotated by the pulley rotating tool 1000, the V-belt 200 is gradually moved to the belt groove formed on the outer peripheral surface of the pulley 100, and the V- The engagement is completed.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

1000: Tools
100: Pulley
150: Pulley groove
200: V belt
300: Fixed hook
350: Fixed hook projection
370: first hook part
400: Floating hook
450: Floating hook projection
470: second hook portion
500: Through hole
600: Adjustable base
650: Fixing member

Claims (5)

In the pulley rotary tool 1000 for rotating the pulley 100 when the V belt 200 wound around the pulley 100 having the pulley groove 150 is replaced,
A pipe-shaped fixing hook 300 having an inner space hollow;
A tubular flow hanger 400 having a smaller diameter than the fixed hanger 300;
A fixing hook protrusion 350 protruding from one side of the fixing hook 300 and coupled to the pulley groove 150;
A first hooking part 370 protruding from the other side of the fixing hook 300 and having a through hole 500 formed therein;
A floating hook protrusion 450 protruded to one side of the floating hook 400 and coupled to the pulley groove 150;
A second hooking part 470 protruded from the other side of the floating hook 400 and having a through hole 500 formed therein; And
An adjuster 600 connecting the first hooking part 370 and the second hooking part 470;
Wherein the pulley rotation tool is a pulley rotation tool for V-belt replacement.
2. The apparatus of claim 1, wherein the retainer (300)
A pulley rotary tool for V-belt replacement, further comprising a socket for friction reduction in the hollow interior.
2. The apparatus of claim 1, wherein the floating hanger (400)
Is inserted into the inner space of the fixing hook (300).
The apparatus of claim 1, wherein the adjuster (600)
And a fixing member (650) for coupling at the same time to the through hole (500) of the first hooking part (370) and the through hole (500) of the second hooking part (470) Pulley rotary tool for belt change.
2. The apparatus of claim 1, wherein the retaining hooks (350) and the floating hooks (450)
Wherein the pulley groove (150) is inserted and rotated at the same time.

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